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She added: “Sometimes when it’s brand new it gives you a false reading of how it’s working - your body can start to rebel against it, and it’s probably going to take 12 to 18 months to reach its full potential.”

The Liverpool John Moores University graduate previously told the ECHO how her condition had turned her into a “shadow” of her former self.

She said before the operation: “I’m like a shadow of who I used to be. I just want my life back.

“I used to swim and be a runner, but I can’t because I’m physically so exhausted. Now I spend 20 hours a day hooked to a feeding pump, too exhausted to do anything.”